Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a margem de vitória no WGC-Accenture Match Play Championship?
 ###Tabelas: CREATE TABLE laf's_campeonato_paulista (laf's_campeonato_paulista_id AUTO_INCREMENT PRIMARY KEY, Position INT, Team VARCHAR, Points INT, Played INT, Drawn INT, Lost INT, Against INT, Difference VARCHAR) CREATE TABLE individual_single-game_records (individual_single-game_records_id AUTO_INCREMENT PRIMARY KEY, Statistic VARCHAR, Name VARCHAR, Total VARCHAR, School VARCHAR, Opponent VARCHAR, Stage VARCHAR) CREATE TABLE pga_tour_wins_13 (pga_tour_wins_13_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Winning score VARCHAR, Margin of victory VARCHAR, Runner(s) up VARCHAR) CREATE TABLE home_grounds (home_grounds_id AUTO_INCREMENT PRIMARY KEY, Stadium VARCHAR, Years VARCHAR, Played INT, Wins INT, Losses INT, Draw VARCHAR, Win Percentage VARCHAR) CREATE TABLE louisiana_parishes_ranked_by_per_capita_income (louisiana_parishes_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, Parish VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT)  
SELECT Margin of victory FROM pga_tour_wins_13 WHERE Tournament = wgc-accenture match play championship